
59
English
INST
ALLA
TION P
A
R
TS
Performing the grounding work
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Use a rated grounding cable by referring to the specification of the electric cable for the outdoor unit.
When using the terminal for grounding only
When using grounding of the switch board
Earth terminal
Switch board
If the power distribution circuit does not have a grounding or the grounding does not comply with
specifications,a ground rod must be installed. The corresponding accessories are not supplied with the air
conditioner.
1
Select a grounding rod that complies with the specifications given in the illustration.
Compressed ring terminal
(Terminal M4)
PVC-insulated green / yellow wire
Copper wire
Carbon rod
2
Select a proper place for the grounding rod installation.priate installing position for ground rod.
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In damp hard soil rather than loose sandy or gravel soil that has a higher grounding resistance.
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Away from underground structures or facilities, such as gas pipes, water pipes, telephone lines and
underground cables.
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At least two meters away from lightening(as in a strom) conductor.
50cm
30cm
CAUTION
• The grounding wire for the telephone line cannot be used to ground the air conditioner.
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Содержание AC BNPDBC Series
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